Natural fibres come from plants/animals (e.g., cotton ,Wool o Synthetic fibres are man-made (e.g., nylon, polyester).
Cotton is obtained from the cotton plant. The process: Plucking → Ginning → Spinning → Weaving/Knitting → Finishing
Nutrients are substances in food that our body needs to grow and stay healthy. Types: Carbohydrates Proteins Fats Vitamins Minerals Water and roughage
Light reflects from objects and enters our eyes, helping us see.
A path through which electric current flows. It needs a battery, wire, and bulb or device.
Renewable: Can be replaced (e.g., sunlight) Non-renewable: Limited supply (e.g., coal)
Pollution is the contamination of air, water, or land. Types: Air, Water, Land, and Noise pollution
A solution is formed when a substance dissolves in a liquid. Example: Salt water
Evaporation: Liquid to gas Condensation: Gas to liquid
Solid: Has shape (e.g., stone)· Liquid: Takes shape of container (e.g., milk) · Gas: Fills the space available (e.g., air)
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